Specification: Frequency range: 136-174 400-520 (MHz). TX: UHF: 400-520MHz VHF: 136-174MHz. RX: 64-108MHz (FM broadcast frequency band), 20-110MHz (reserved frequency band), 118-136MHz (AM aviation frequency band), 136-660MHz (can be adjusted according to the working frequency of various countries and regions). Theoretical communication distance: 5-10 (km). Storage channels: 128. Channel spacing: 25KHz/12.5KHz. Working voltage: 7.4V DC. Battery capacity: 10000MAH (standard configuration). RF power: VHF/UHF high power. Charging method: Cradle charger (standard) TYPE. c line charger (optional). Product size: 108*59*38mm (without antenna). Product weight: About 189g (without antenna). Feature: FM/AM aviation segment reception. One-click code breaking. UV dual frequency modulation. LED display. 350 MHz frequency. Intelligent noise reduction speaker. Type-c direct charge. Professional equipment, suitable for all walks of life. Package Included: 1 x Walkie talkie. 1 x Battery. 1 x antenna. 1 x Back clip. 1 x charger. 1 x manual. 1 x Certificate of conformity